Disturbing Server Crash (Icecrown) & Server Maintenance Shutdown

This day alone I got like 3-4 server crashes during in the midst of every raid. The worst is I could only play full time during on weekends and this happens.
Waiting for 3-4 hours for a raid to form then BOOOOOOOOOOM! Ya gat disconnected at 2nd or 3rd boss and people are not logging in back (cuz they are sick of the same ****) and again your saved is wasted for another week.

Just want suggest to have a server maintenance like around Tuesday or Wednesday before raid resets? Just to make sure that servers are in pristine condition and we won't suffer this kind of sudden & unusual server crashes.